Table 2.
Number, percentage, and odds of linking into a follow-up survey by men who have sex with men enrolled in an online HIV behavioral risk study who agreed to participate in a follow-up survey, by select demographic, behavioral, and email characteristics (n = 2405), United States, 2009
| Linked Into Follow-up (n=539) |
Did Not Link Into Follow-up (n=1866) |
|||||
| Characteristic | n (%) | n (%) | Crude Odds Ratio (95% CIa) |
Adjusted Odds Ratio (95% CI) |
||
| Age (in years), mean (SDb) | 23.5 (4.6) | 22.4 (4.3) | 1.74 (1.41 - 2.14)cd | 1.35 (1.07 - 1.70) | ||
| Number of male sex partners in past 12 months, mean (SD) | 7.5 (17.4) | 7.7 (15.5) | 1.00 (0.99 - 1.01)e | --f | ||
| Raceg | ||||||
| White, non-Hispanic | 264 (25) | 774 (75) | Referent | Referent | ||
| Black, non-Hispanic | 76 (15) | 431 (85) | 0.52 (0.39 - 0.69) | 0.47 (0.35 - 0.63) | ||
| Hispanic | 199 (23) | 661 (76) | 0.88 (0.72 - 1.09) | 0.87 (0.70 - 1.08) | ||
| Offered an incentive | ||||||
| Yes | 150 (24) | 470 (76) | 1.15 (0.92 - 1.42) | 1.29 (1.02 - 1.62) | ||
| No | 389 (22) | 1398 (78) | Referent | Referent | ||
| Sexual identity | ||||||
| Homosexual | 428 (24) | 1391 (76) | Referent | -- | ||
| Bisexual | 99 (19) | 435 (81) | 0.74 (0.58 - 0.94) | |||
| Heterosexual | 3 (38) | 5 (62) | 1.95 (0.46 - 8.19) | |||
| Otherh | 4 (16) | 21 (84) | 0.62 (0.21 - 1.81) | |||
| Education | ||||||
| College/postgraduate | 106 (34) | 208 (66) | 2.48 (1.85 - 3.33) | 2.22 (1.61 - 3.05) | ||
| Some college/associate degree | 266 (25) | 805 (75) | 1.61 (1.28 - 2.01) | 1.52 (1.20 - 1.93) | ||
| High school/GEDi | 141 (17) | 695 (83) | Referent | Referent | ||
| Less than high school | 22 (13) | 148 (87) | 0.72 (0.45 - 1.17) | 0.73 (0.44 - 1.20) | ||
| UAIjwith male sex partners in past 12 months | ||||||
| Yes | 380 (23) | 1241 (77) | 1.16 (0.94 - 1.44) | -- | ||
| No | 153 (21) | 581 (79) | Referent | |||
| Met male sex partners online in past 12 months | ||||||
| Yes | 366 (24) | 1136 (76) | 1.29 (1.05 - 1.59) | -- | ||
| No | 166 (20) | 664 (80) | Referent | |||
| Exchange partnerkin past 12 months | ||||||
| Yes | 33 (21) | 125 (79) | 0.91 (0.61 - 1.35) | -- | ||
| No | 501 (23) | 1724 (77) | Referent | |||
| Ever been tested for HIV | ||||||
| Yes | 398 (23) | 1327 (77) | 1.15 (0.93 - 1.44) | -- | ||
| No | 135 (21) | 519 (79) | Referent | |||
| One or more female sex partners in past 12 months | ||||||
| Yes | 42 (19) | 179 (81) | 0.80 (0.56 - 1.13) | -- | ||
| No | 497 (23) | 1687 (77) | Referent | |||
| Type of email address | ||||||
| Work address | ||||||
| Yes | 56 (26) | 153 (73) | 1.30 (0.94 - 1.79) | -- | ||
| No | 483 (22) | 1713 (78) | Referent | |||
| Personal address | ||||||
| Yes | 501 (23) | 1722 (77) | 1.10 (0.76 - 1.60) | -- | ||
| No | 38 (21) | 144 (79) | Referent | |||
| School address | ||||||
| Yes | 75 (30) | 174 (70) | 1.57 (1.18 - 2.10) | -- | ||
| No | 464 (22) | 1692 (78) | Referent | |||
| How email address used | ||||||
| Communicate with friends | ||||||
| Yes | 213 (27) | 581 (73) | 1.45 (1.19 - 1.76) | -- | ||
| No | 326 (20) | 1285 (80) | Referent | |||
| Communicate with family | ||||||
| Yes | 173 (30) | 413 (70) | 1.66 (1.35 - 2.06) | -- | ||
| No | 366 (20) | 1453 (80) | ||||
| Manage financial accounts | ||||||
| Yes | 132 (36) | 238 (64) | 2.22 (1.75 - 2.82) | 1.97 (1.54 - 2.52) | ||
| No | 407 (20) | 1628 (80) | ||||
| Communicate with “hook-ups” | ||||||
| Yes | 82 (25) | 249 (75) | 1.17 (0.89 - 1.53) | -- | ||
| No | 457 (22) | 1617 (78) | ||||
| Had email address>1 year | ||||||
| Yes | 384 (23) | 1274 (77) | 1.04 (0.82 - 1.31) | -- | ||
| No | 117 (23) | 403 (77) | Referent | |||
| Check email account>once per day | ||||||
| Yes | 370 (26) | 1055 (74) | 1.67 (1.36 - 2.05) | 1.51 (1.22 - 1.87) | ||
| No | 162 (17) | 772 (83) | Referent | Referent | ||
aCI: confidence Interval
bSD: standard deviation
cOdds ratio interpreted as odds of linking into follow-up survey per every 10 year increase in age
dItalicized odds ratio and confidence interval denotes significance at P < .05
eOdds ratio interpreted as odds of linking into follow-up survey agreeing to follow-up per one partner increase
fDenotes variable was not significant in the multivariable model and was therefore not included in the final model
gEnrollment in the follow-up survey was limited to white non-Hispanic, black non-Hispanic, and Hispanic participants
hParticipants could write in a text response for sexual identity; most frequent responses were “queer,” “curious,” and “questioning”
iGED: general equivalency diploma
jUAI: unprotected anal intercourse
kExchange partner defined in the survey as “someone who you have sex with in exchange for money, drugs, food, or something else of value”